101 lines
3.4 KiB
Java
101 lines
3.4 KiB
Java
/*
|
|
* Copyright (c) 1998, 2019, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/*
|
|
@test
|
|
@bug 4094892
|
|
@summary Verify that an object is not validated more than once during deserialization.
|
|
|
|
*/
|
|
|
|
import java.io.*;
|
|
import java.util.Date;
|
|
|
|
public class Validate {
|
|
public static void main(String[] args) throws Exception {
|
|
try {
|
|
// Write class out
|
|
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
|
ObjectOutput out = new ObjectOutputStream(baos);
|
|
|
|
Class1 c1 = new Class1(11, 22);
|
|
out.writeObject(c1);
|
|
out.writeObject(new Class1(22,33));
|
|
out.writeObject(new Date());
|
|
out.writeObject(new Date());
|
|
out.writeObject(new Date());
|
|
out.writeObject(new Date());
|
|
out.flush();
|
|
out.close();
|
|
|
|
// Read it back
|
|
ByteArrayInputStream bais =
|
|
new ByteArrayInputStream(baos.toByteArray());
|
|
ObjectInputStream in = new ObjectInputStream(bais);
|
|
Class1 cc1 = (Class1) in.readObject();
|
|
Class1 cc2 = (Class1) in.readObject();
|
|
System.out.println("date: " + in.readObject());
|
|
System.out.println("date: " + in.readObject());
|
|
System.out.println("date: " + in.readObject());
|
|
System.out.println("date: " + in.readObject());
|
|
in.close();
|
|
|
|
System.out.println(cc1.a + " " + cc1.b);
|
|
System.out.println(cc2.a + " " + cc2.b);
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
throw e;
|
|
} catch (ClassNotFoundException e) {
|
|
e.printStackTrace();
|
|
throw e;
|
|
}
|
|
}
|
|
}
|
|
|
|
class Class1 implements Serializable, ObjectInputValidation {
|
|
private static final long serialVersionUID = 1L;
|
|
|
|
int a, b;
|
|
transient int validates;
|
|
|
|
public Class1(int aa, int bb) {
|
|
a = aa;
|
|
b = bb;
|
|
}
|
|
public void validateObject() throws InvalidObjectException {
|
|
if (validates > 0)
|
|
throw new Error("Implementation error: Re-validating object " + this.toString());
|
|
validates++;
|
|
|
|
System.out.println("Validating " + this.toString());
|
|
if (a > b) {
|
|
throw new InvalidObjectException("Fields cannot be negative");
|
|
}
|
|
}
|
|
private void readObject(ObjectInputStream in)
|
|
throws IOException, ClassNotFoundException {
|
|
in.registerValidation(this, 1);
|
|
in.defaultReadObject();
|
|
}
|
|
}
|